DOWNLOAD LG F1091QDTA Service Manual ↓ Size: 18.92 MB | Pages: 45 in PDF or view online for FREE

Model
F1091QDTA
Pages
45
Size
18.92 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
f1091qdta.pdf
Date

LG F1091QDTA Service Manual ▷ View online

16
Program Chart
Blanket
Bulky
Spin
Boiling Care
Cotton Quick
2
40
1:10
1
45
16
2:36
1:21
1:32
1:15
15
Before servicing ask the customer what the trouble is.
Check the adjustments. (Power supply :220-240V~, Removal of tra nsit bolts etc..)
Check the troubles referring to the troubleshooting.
Decide service steps referring to disassembly instructions.
Then, service and repair.
After servicing, operate the appliance to see whether it works  OK or NOT.
17
7. TROUBLESHOOTING
7-1. BEFORE PERFORMING SERVICE
7-2. LOAD TEST MODE
1 F1091Q/T D(T/P)2(A)(0~9) : Press and Hold ‘
Temp.
’ & ‘
Spin
’ buttons and then press ‘
Power
’ button.
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
Press and Hold ‘ Spin ’ & ‘ Pre Wash ’ buttons simultaneously.
2 The washer must be empty and the controls must be in the off state.
3 Press Power with above two buttons pressed and then buzzer will  sound.
4 Press the Start/Pause button repeatedly to cycle through the te st modes
1
2
3
4
5
6
None 
1 time 
2 times 
3 times 
4 times 
5 times 
6 times 
7 times 
8 times 
9 times 
10 times 
All lamps turn on
Clockwise 
wash (right) 
Low speed Spin 
High speed Spin
Inlet valve for pre-wash operation
Inlet valve for main-wash operation
Hot inlet valve in case of hot water fill
Counterclockwise wash (left) 
A Heater is in operation for 3 sec.
Draining pump operation 
Auto off operation
Motor rpm (About 47)
Motor rpm (About 590~650)
Motor rpm (About 950~1050) :F8091Q/T D(T/P)2(A)(0~9)
Motor rpm (About 1100~1250) :F10/1291Q/T D(T/P)2(A)(0~9)
Motor rpm (About 1100~1250) :F1491Q/T D(T/P)2(A)(0~9)
 
Water level frequency (255->299)
Water level frequency (255->299)
Water level frequency (255->299)
Motor rpm (About 47)
Water Temperature
Water level frequency
The digits means water level frequency (10
-1
kHz)
ex) 241 : Water level frequency = 241 X 10
-1
kHz
= 24.1kHz
Pressing number of
[Start/Pause] button
Checking Point
Display Status
F**91Q/T D(T/P)2(A)(0~9)
18
7-4. ERROR DISPLAY
Symptom
Possible Cause
Solution
• Load is too small.
• Load is out of balance.
• The appliance has an imbalance detection
and correction system. If individual heavy
articles are loaded (ex. bath mat, bath robe,
etc.) this system may stop spinning or even
interrupt the spin cycle altogether.
• If the laundry is still too wet at the end of the
cycle, add smaller articles of laundry to
balance the load and repeat the spin cycle.
• Water supply is not adequate in area.
• Water supply taps are not completely open.
• Water inlet hose(s) are kinked.
• The filter of the inlet hose(s) are clogged.
Check another tap in the house.
Fully open tap.
Straighten hose(s).
Check the filter of the inlet hose.
Clean and straighten the drain hose.
Clean the drain filter.
Add 1 or 2 similar items to help 
balance the load.
Rearrange load to allow proper 
spinning
Close the door.
If it is not released, call for service.
Unplug the power plug and call for 
service.
Close the water tap.
Unplug the power plug.
Call for service.
• Drain hose is kinked or clogged.
• The drain filter is clogged.
• Is the door opened?
• Water overfills due to the faulty water valve.
• Water level sensor has malfunctioned.
• Over load in motor.
• Over load in motor.
7-5. TROUBLESHOOTING WITH ERROR
Water Inlet Error (IE)
Is the water tap closed ?
[Note] Environmental safety check list
1. No water tap leakage & freeze.
2. No entanglement of water supply hose.
5. No the inlet filter clogged.
Check the 
Water tap
and  open it fully .
When there is water in the tub,
is the water level frequency
over 25.5KHz ?
Reconnect or repair the 
Connector
.
Or replace the 
Harness
.
Replace the 
Inlet Valve
.
Is the 
Connector
connected correctly to 
the 
Main PCB
and the 
Inlet Valve
?
Or is the 
Harness
alright ?
Check the 
Air Chamber
and 
the Tube
(clogged) 
And When you check the water level frequency again, 
if it is over 25.5KHz, you replace 
the Pressure switch.
YES
YES
NO
NO
Replace the 
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 kΩ ?
When the washing machine is started, 
is operated the inlet valve? 
Pre. Valve
Main Valve
19
1
2
1
2
3. No water shortage.                           4. No water supply hose leakage
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